Erbijsommen t/m 1.000
Optellen
| 1. | 339 + 105 = |
444
|
353
|
214
|
455
|
| 2. | 439 + 150 = |
589
|
719
|
563
|
505
|
| 3. | 171 + 120 = |
474
|
440
|
337
|
291
|
| 4. | 354 + 207 = |
690
|
561
|
551
|
704
|
| 5. | 145 + 102 = |
482
|
368
|
247
|
234
|
| 6. | 389 + 147 = |
522
|
536
|
934
|
695
|
| 7. | 239 + 235 = |
442
|
319
|
296
|
474
|
| 8. | 488 + 342 = |
608
|
765
|
830
|
868
|
| 9. | 146 + 146 = |
292
|
271
|
210
|
278
|
| 10. | 432 + 427 = |
859
|
775
|
774
|
539
|
| 11. | 246 + 177 = |
438
|
374
|
423
|
492
|
| 12. | 349 + 292 = |
918
|
518
|
685
|
641
|